Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802239 | Rotary valve system | Gregory H. Butcher, Neil A. Zumberger, Stephen P. Ripple | 2017-10-31 |
| 9476512 | Rotary valve system | Gregory H. Butcher, Neil A. Zumberger, Stephen P. Ripple | 2016-10-25 |
| 7302822 | Shell press and method for forming a shell | Donna Rebecca Stefansic | 2007-12-04 |
| 7240531 | Press for forming containers with profiled bottoms | Barry Lippert | 2007-07-10 |
| 7143623 | Shell press and method of manufacturing a shell | Donna Rebecca Stefansic | 2006-12-05 |
| 6766677 | Die curl assembly | — | 2004-07-27 |